# Calculator ∞ vs Graphing Calculator X84

The clearest difference is price: Graphing Calculator X84 at Free against Calculator ∞'s $5.99. Graphing Calculator X84 also leads on ratings volume (50K vs 6.3K). Calculator ∞'s advantage is review sentiment (75% vs 38%) and ads (none vs shown). On update cadence, in-app purchases, monetization model and device support there is nothing between them.

Graphing Calculator X84 is free to download; Calculator ∞ costs $5.99 up front. Calculator ∞ sells 4 in-app purchases, starting at $3.49 per month and Graphing Calculator X84 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Calculator ∞ holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Graphing Calculator X84 has 50K ratings behind it against 6.3K, so its average is the more settled of the two. Written reviews point the same way: 75% of Calculator ∞'s written reviews are positive against 38% of Graphing Calculator X84's.

Calculator ∞ ships an update every 2 months, Graphing Calculator X84 every 3 months. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Calculator ∞ | Graphing Calculator X84 |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[4.7 (6.3K ratings)](https://appshunter.io/ios/app/calculator/id458535809/reviews)** | [4.5 (50K ratings)](https://appshunter.io/ios/app/graphing-calculator-x84/id1247828717/reviews) |
| Number of ratings | 6.3K | **50K** |
| Positive reviews | **74.7% of reviews** | 38.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#128** | — |
| Size | 46 MB | 23 MB |
| Requires iOS | 12.1 | 12.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Incpt.Mobis](https://appshunter.io/developer/445261166) | [Incpt.Mobis](https://appshunter.io/developer/445261166) |

## What reviewers say

### Calculator ∞

[App page](https://appshunter.io/ios/app/calculator/id458535809)

**Currently charting:** #128 Top Paid · Education (US App Store)

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

**Highlights:** Step-by-step solution hints, Math Photos Solver, Handwriting Recognition, AI Math Problem Solver, 2D Graphing, Unit Converter, Matrix/Vector Mode

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited OCR/Writing 1 Month | $3.49 | per month |
| Unlimited OCR/Writing 3 Months | $8.99 | per 3 months |
| 400 AI Recognition & Queries | $0.99 | one-time |
| 900 AI Recognition & Queries | $1.99 | one-time |


### Graphing Calculator X84

[App page](https://appshunter.io/ios/app/graphing-calculator-x84/id1247828717)

This app offers a free, powerful alternative to hardware graphing calculators. It supports basic to complex math, including graphing, statistics, and matrix operations, with a built-in user manual for assistance.

**Highlights:** Graphing of functions, Statistics and regression analysis, Matrix operations, Equation and polynomial solver, Integral and derivative calculation, Mathematical display

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Upgrade | $5.99 | one-time |

**What reviewers like**

- 🚀 Exact replica of TI-84 calculator
- 🤩 Great for school/college math
- 👍 Convenient to have on phone
- 💰 Cheaper than physical calculator

**What reviewers complain about**

- 📺 Intrusive and frequent ads
- 🔓 Key features locked behind paywall
- 🛑 Restricted functionality compared to physical TI-84
- 🤯 Ads disrupt focus during timed tests

**Reported bugs**

- Calculation errors on basic functions
- Graphing and programming features not working as expected
- Frequent crashes and freezes

**Requested features**

- Option to pay and remove ads
- More customization options
- Haptic feedback when pressing buttons
- Better integration with physical TI-84 calculators


## Frequently asked questions

### Is Calculator ∞ free?

Calculator ∞ costs $5.99, and also offers in-app purchases.

### Is Graphing Calculator X84 free?

Graphing Calculator X84 is free to download, with in-app purchases available.

### Which has better reviews, Calculator ∞ or Graphing Calculator X84?

Calculator ∞ is rated higher. Calculator ∞ averages 4.7 out of 5 from 6.3K ratings, while Graphing Calculator X84 averages 4.5 from 50K ratings.

### Do Calculator ∞ or Graphing Calculator X84 have ads?

Graphing Calculator X84 shows ads; Calculator ∞ does not.

### Which is updated more often, Calculator ∞ or Graphing Calculator X84?

Calculator ∞ ships an update every 2 months, and Graphing Calculator X84 every 3 months. Most recently, Calculator ∞ was updated on September 22, 2026 and Graphing Calculator X84 on September 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*